Home / 8,538.25-11,782.59-4,761.40

Finding the Fourth Proportional to 8,538.25, 11,782.59 and 4,761.40

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Solution

The fourth proportional to 8,538.25, 11,782.59 and 4,761.40 is: 6,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.25 : 11,782.59 = 4,761.40 : x
  2. Step 2: Convert to fraction form
    8,538.25/11,782.59 = 4,761.40/x
  3. Step 3: Cross multiply
    8,538.25x = 11,782.59 × 4,761.40
  4. Step 4: Simplify right side
    8,538.25x = 56,101,624.03
  5. Step 5: Solve for x
    x = 56,101,624.03/8,538.25
  6. Step 6: Final answer
    x = 6,570.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.